Cheap Flights from Sydney to Phnom Penh from US$254

Frequently Asked Questions

• What are the cheapest flights from Sydney to Phnom Penh (SYD-KTI)?

  Based on Trip.com data, AirAsia X offers one-way fares as low as US$254 on Cheapest nonstop routes (e.g. SYD to KTI on Mon, Sep 7), while Xiamen Airlines offers Cheapest nonstop round-trips from US$487 departing on Mon, Aug 10 and returning on Sat, Aug 15.

• Which airlines offer direct flights from Sydney to Phnom Penh?

  At the moment, you can catch a nonstop flight from Sydney to Phnom Penh with the following airlines, including: Scoot Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Sydney to Phnom Penh?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sydney to Phnom Penh is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Sydney to Phnom Penh?

  To find best deals on flights from Sydney to Phnom Penh, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Sep 7, with one-way flights priced at just US$254.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is AirAsia X.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Phnom Penh travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Sydney (SYD) to Phnom Penh (KTI) the cheapest?

  The cheapest months to fly from Sydney to Phnom Penh is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Sydney to Phnom Penh on?

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Sydney to Phnom Penh on July 26, 2026 with Jetstar Airways, with prices starting at US$275.

• Which airports can I fly to for Phnom Penh from Sydney?

  You can land at any one of the following hubs in Phnom Penh, with Sydney Airport to Techo International Airport (SYD-KTI) is by far the most common option on this route: Techo International Airport (KTI) Phnom Penh International Airport (PNH).

• Is there any time difference between Sydney and Phnom Penh?

  The time difference between Phnom Penh and Sydney is 3h.

• How do I change or cancel my ticket from Sydney to Phnom Penh?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.